Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cmta.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 14:29:09 UTC · ↺ Refresh
MX Hostnames
- cmta-com.mail.protection.outlook.com
MX Priorities
- cmta-com.mail.protection.outlook.com: 0
A / AAAA Records
- 13.58.1.209 ↩ ec2-13-58-1-209.us-east-2.compute.amazonaws.com
Mail Server IPs
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-02.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-02.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-02.azure-dns.net
ns3-02.azure-dns.org
ns4-02.azure-dns.info
ns1-02.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:74.143.205.32 ip4:23.96.61.76 ip4:50.254.184.153 a:ba.cmta.com a:FRUSSMTP001.spendvision.com include:23112570.spf06.hubspotemail.net include:spf.protection.outlook.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- have-i-been-pwned-verification=b837493c751beda1980949b217ced7df
- SPFv=spf1 mx ip4:74.143.205.32 ip4:23.96.61.76 ip4:50.254.184.153 a:ba.cmta.com a:FRUSSMTP001.spendvision.com include:23112570.spf06.hubspotemail.net include:spf.protection.outlook.com -all
- m1bQQOniGGFT5OHcSpTkjr6aItyL9ItYoLME8BDcBLg=
- atlassian-domain-verification=9FvKUrKCzh58olNL/jfTgqmPfz2TNY9AkvGnW5qIqx2w8xU6HpFN1pX3aK6kvLBx
- autodesk-domain-verification=gsV8AXL7gP4kk5xA5Klq
Full email verification for cmta.com
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